Table 61 Configuration > Pbx > Extension Management > Call Access Code > Internal Extension Length - ZyXEL Communications IP PBX X6004 User Manual

Each field is described in the following table.
Table 61 Configuration > PBX > Extension Management > Call Access Code > Internal
Extension Length
LABEL
Internal Extension
Length
Apply
X6004 User's Guide
DESCRIPTION
Specify the range of the length of telephone numbers that are treated by the
X6004 as extension to extension calls.
Click this to save your changes.
Chapter 17 Call Access Code
161